commit 605d0c7c692608df707764c4c290ae5c0b14485a
author Riccardo Mori <patacca@autistici.org> Mon Jul 19 12:10:34 2021 +0200
committer Copybara-Service <copybara-worker@google.com> Thu Jul 29 19:33:10 2021 -0700
tree f15b70de914fe637d370c5a241c77fc2b00bbbb5
parent 48dee4f545046f85eaa569b5c1f88bbb5b1d0d04

[Polly][Isl] Use isl::union_map::unite() instead of isl::union_map::add_map(). NFC

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in `lib/External/isl/include/isl/isl-noxceptions.h` and the official isl C++ interface.

Changes made:
 - Use `isl::union_map::unite()` instead of `isl::union_map::add_map()`
 - `isl-noexceptions.h` has been generated by this https://github.com/patacca/isl/commit/3f43ae29fa2a22936a583b85b2fe8d439f805d8d

Depends on D106059

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D106061

GitOrigin-RevId: d5ee355f89605f0475a18b60fd27837d73dd7852